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WARNING: short read from network data channel (0 blocks, 0 bytes) - Connect IT Community | Kaseya
<main> <article class="userContent"> <h2 data-id="summary"><strong>SUMMARY</strong></h2> <p>Backup fails reporting a short read from network error. This is typically not a network related error.</p> <h2 data-id="issue"><strong>ISSUE</strong></h2> <p>Backup data transmission over the network is stopped prior to the completion of the backup, usually due to an event which occurs on the protected asset.</p> <h2 data-id="resolution"><strong>RESOLUTION</strong></h2> <p>This error is most commonly resolved by one of the following resolutions. </p> <ul><li>Check the event viewer for collisions with another application such as anti-virus software. These collision can typically be resolved by simply scheduling the backup to occur at a different time outside of that which the other application is performing its operation. Hint: Review the backup report to identify the elapsed time of for the full backup of this protected asset, then run the backup schedule enough in advance to avoid a collision.</li> <li>The Unitrends agent may not be installed properly. <a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Funitrends-support.zendesk.com%2Fhc%2Fen-us%2Farticles%2F360013266758">How to manually reinstall the Windows Agent</a> </li> <li>The port used to transfer data to the Unitrends system is configure to post 1745 by default. Port 1745 can be reserved by following the instructions in <a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Funitrends-support.zendesk.com%2Fhc%2Fen-us%2Farticles%2F360013274878">Windows Server Port Reservation</a> or the data port used by the Unitrends agent can be configured to use a dynamically allocated from a range of free ports. See <a rel="nofollow" href="/home/leaving?allowTrusted=1&target=https%3A%2F%2Funitrends-support.zendesk.com%2Fhc%2Fen-us%2Farticles%2F360013274858">How to resolve "Cannot connect to client" errors during backups</a>.</li> </ul><h2 data-id="cause"><strong>CAUSE</strong></h2> <p>The error WARNING: short read from network data channel (0 blocks, 0 bytes) most commonly occurs when the data transmission is prematurely stopped during a backup. There a many potentials causes for data transmission being stopped prior to the completion of the backup. This is article discusses the most common causes of this error.</p> </article> </main>